Setup Guide

Stack Master Election.............................................................................................................................................845
Virtual IP................................................................................................................................................................... 845
Failover Roles........................................................................................................................................................... 845
MAC Addressing on Stacks....................................................................................................................................846
Stacking LAG........................................................................................................................................................... 846
Supported Stacking Topologies............................................................................................................................. 846
High Availability on Stacks......................................................................................................................................846
Management Access on Stacks.............................................................................................................................847
Important Points to Remember....................................................................................................................................847
Stacking Installation Tasks............................................................................................................................................ 847
Create a Stack..........................................................................................................................................................848
Add Units to an Existing Stack...............................................................................................................................849
Split a Stack.............................................................................................................................................................. 851
Stacking Conguration Tasks........................................................................................................................................851
Assigning Unit Numbers to Units in an Stack...................................................................................................... 852
Creating a Virtual Stack Unit on a Stack.............................................................................................................. 852
Displaying Information about a Stack....................................................................................................................852
Inuencing Management Unit Selection on a Stack........................................................................................... 853
Managing Redundancy on a Stack........................................................................................................................853
Resetting a Unit on a Stack....................................................................................................................................854
Verify a Stack Conguration........................................................................................................................................ 854
Displaying the Status of Stacking Ports............................................................................................................... 854
Remove Units or Front End Ports from a Stack........................................................................................................854
Removing a Unit from a Stack...............................................................................................................................855
Removing Front End Port Stacking.......................................................................................................................855
Troubleshoot a Stack.....................................................................................................................................................855
Recover from Stack Link Flaps..............................................................................................................................855
Recover from a Card Problem State on a Stack................................................................................................. 856
50 Storm Control..........................................................................................................................................857
Congure Storm Control...............................................................................................................................................857
Conguring Storm Control from INTERFACE Mode...........................................................................................857
Conguring Storm Control from CONFIGURATION Mode................................................................................858
Detect PFC Storm.........................................................................................................................................................858
Restore Queue Drop State........................................................................................................................................... 859
PFC Storm......................................................................................................................................................................859
View Details of Storm Control PFC.............................................................................................................................859
51 Spanning Tree Protocol (STP).................................................................................................................. 861
Protocol Overview..........................................................................................................................................................861
Congure Spanning Tree.............................................................................................................................................. 862
Related Conguration Tasks...................................................................................................................................862
Important Points to Remember................................................................................................................................... 862
Conguring Interfaces for Layer 2 Mode....................................................................................................................863
Enabling Spanning Tree Protocol Globally...................................................................................................................864
Adding an Interface to the Spanning Tree Group...................................................................................................... 865
Contents
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